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submitted 13 hours ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[-] georift@piefed.social 5 points 10 hours ago

“Australians have an absolute love affair with rooftop solar,” he said. ​“We have the highest rooftop PV penetration in the world, and it’s one of the driving forces of our energy transition.”

I wonder how this trend will continue now that Feed In tariffs have been significantly cut. Seems like more and more people are focused on installation of home batteries.

My parents installed a new PV system and it's been limited to 1.5kW peak export, or about 1/10th the systems total output. Seems a shame to have so much energy going to waste. Hard limits seem like a blunt instrument to ensure grid stability, when a more intelligent system / community battery could have utilized this energy.

[-] silence7@slrpnk.net 3 points 2 hours ago

Batteries help a lot when you have a surplus of solar power during the middle of the day, and want to distribute it to evening use. For example, here in California, where the sun is just coming up, utility-scale batteries charged during yesterday's sunshine are now supplying about 10% of the state's electricity.

this post was submitted on 07 Oct 2025
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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world.  About 1C of total warming.  Second chart:  about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability.  Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases.  About 0.5C of cooling with large error bars from SO2.

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